Word: sys
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Dates: during 1950-1959
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...first recorded air-conditioning sys tems was devised in the 8th century by the Caliph al-Mahdi of Bagdad. He transported snow from the Zagros Mountains via camel trains, packed it in. the double walls of his summer home...
Major General Hershey has now deprived the test sys of its one meagre function. By indicating that he will raise or lower the passing grade depending on the needs of the armed forces, Hershey has reduced the draft problem to its status before the tests were administered: confusion...